<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<script>
			var a=parseInt(prompt("请输入一个数a："));
			var b=parseInt(prompt("请输入一个数b："));
			if(a>=b){
				alert(a);
			}else{
				alert(b);
			}
		</script>
	</body>
</html>
